6312NR
SIAIF 6312NR
Type

Deep groove ball bearing

Model：6312NR
Thickness(mm)：31
Inner diameter d：60
Outer diameter D：130
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Detailed information

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Basic size mm
  • d60
  • D130
  • B31
Basic load rating kN
  • DynamicsC85.2
  • Static Co52
RatedSpeed r/min
  • Reference speed11000
  • Limit speed 1) 7000
Model
  • Bearing带Stop槽*6312N
  • Stop槽和Stop ring*6312NR
  • Stop ringSP130
Size mm
  • d60
  • d1 ～81.9
  • D1 ～108
  • D3125.22
  • D4139.7
  • b3.1
  • f2.82
  • C4.06
  • r 1,2 Minimum2.1
  • r 0 Maximum0.6
Shoulder and chamfer dimensions mm
  • d a Minimum72
  • Da Maximum118
  • D b Minimum141
  • b a Minimum3.5
  • Ca Maximum6.88
  • r a Maximum2
Calculate coefficient
  • k r 0.03
  • fo13
Fatigue load limit Pu
  • Fatigue load limit Pu2.2
Quality kg
  • Quality kg1.7

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